273273961 has 9 divisors (see below), whose sum is σ = 278856279. Its totient is φ = 267802200.

The previous prime is 273273943. The next prime is 273273977. The reversal of 273273961 is 169372372.

The square root of 273273961 is 16531.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 8886361 + 264387600 = 2981^2 + 16260^2 .

It is not a de Polignac number, because 273273961 - 2¹⁷ = 273142889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (273273761) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1008256 + ... + 1008526.

It is an arithmetic number, because the mean of its divisors is an integer number (30984031).

Almost surely, 2^273273961 is an apocalyptic number.

273273961 is the 16531-st square number.

273273961 is the 8266-th centered octagonal number.

It is an amenable number.

273273961 is a deficient number, since it is larger than the sum of its proper divisors (5582318).

273273961 is an frugal number, since it uses more digits than its factorization.

273273961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664 (or 332 counting only the distinct ones).

The product of its digits is 95256, while the sum is 40.

The cubic root of 273273961 is about 648.9323387859.

The spelling of 273273961 in words is "two hundred seventy-three million, two hundred seventy-three thousand, nine hundred sixty-one".